Reversible nesting blocks



FIG. 1 is a perspective view of the reversible nesting blocks showing the inter-relation of the blocks;

FIG. 2 is a side elevational view thereof; the other three side elevational views being mirror images thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for reversible nesting blocks, as shown. 